31911465

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5441}}^1$

素因数の和:5489

約数の個数: 32

約数和(自身を含む): 56422656

約数和(自身を除く): 24511191

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 255, 345, 391, 1173, 1955, 5441, 5865, 16323, 27205, 81615, 92497, 125143, 277491, 375429, 462485, 625715, 1387455, 1877145, 2127431, 6382293, 10637155, 31911465]

約数ペア:

[(1, 31911465), (3, 10637155), (5, 6382293), (15, 2127431), (17, 1877145), (23, 1387455), (51, 625715), (69, 462485), (85, 375429), (115, 277491), (255, 125143), (345, 92497), (391, 81615), (1173, 27205), (1955, 16323), (5441, 5865)]